CN106317824B - A kind of high light wearable PC-ABS alloy materials and preparation method thereof - Google Patents
A kind of high light wearable PC-ABS alloy materials and preparation method thereof Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a kind of high light wearable PC ABS alloy materials, in parts by weight, including：40~90 parts of PC resin；10~60 parts of ABS resin；1~10 part of PA resins；1~5 part of anti-wear agent；1~5 part of compatilizer；0.1~1 part of 0.1~1 part of antioxidant and lubricant.The preparation method of PC ABS alloy materials disclosed by the invention by the way that anti-wear agent is added, and is passed through high-pressure inert gas, to promote the compatibility of PC and PA in PA resin melting states so that the better mobility of PC ABS systems ensures that it obtains more high gloss；Dispersion of the anti-wear agent in PC ABS systems is promoted simultaneously, further improves the wearability of PC ABS alloy materials.
Description
Technical field
The present invention relates to the technical field of high molecular material more particularly to a kind of high light wearable PC-ABS alloy materials and its
Preparation method.
Background technology
PC-ABS alloy materials be kneaded by makrolon (PC) and acrylonitrile-butadiene-styrene copolymer (ABS) and
At modified plastics, this modified plastics is more preferable than simple PC and ABS performances, on the one hand can improve the heat resistance of ABS
And tensile strength, the melt viscosity of PC on the other hand can be reduced, processing performance is improved, is allowed to can be used for being molded large area and answer
Miscellaneous product, while the internal stress of product is reduced, improve low-temperature impact-resistant performance.Therefore, PC-ABS alloy materials are communicating
The fields such as electronics, household electrical appliance and automobile industry are widely used, especially bloom PC-ABS alloy materials, high-end
Casing of liquid crystal television set, casing of loudspeaker box and office equipment of outlet etc. application are very universal.
People have the appearance of product the requirement of beautiful, wear-resisting etc. simultaneously, but real in PC-ABS alloy materials
During the use of border, it may appear that the problem that surface gloss is relatively low, wearability is poor.Thus, it usually needs secondary operation is carried out,
It is such as electroplated, paints, to meet requirements above.But secondary operation can not only bring the raising of cost, but will cause the dirt of environment
Dye.
Currently, with the appearance that the raising of environmental consciousness and various environmental regulations instruct, people are dedicated to exploitation and exempt to spray
The high luminescent material applied.But PC-ABS alloy material true qualities wearabilities are poor, limit it in the fields such as automobile, household electrical appliances, electronics
Application, therefore, exploitation high light wearable PC-ABS alloy materials have reality and important meaning.
Invention content
It is an object of the invention to aiming at the deficiencies in the prior art, provide a kind of high light wearable PC-ABS alloy materials
Material and preparation method thereof, preparation process is easy, low production cost, other performances of prepared PC-ABS alloy materials out
Under the premise of being guaranteed, its wearability and glossiness, energy conservation and environmental protection are significantly improved.
For this purpose, the present invention uses following technical scheme：
A kind of high light wearable PC-ABS alloy materials, in parts by weight, including：40~90 parts of PC resin；ABS resin
10~60 parts；1~10 part of PA resins；1~5 part of anti-wear agent；1~5 part of compatilizer；0.1~1 part of antioxidant and lubricant 0.1~1
Part.It should be noted that the present invention passes through the impact resistance of addition PA resins increase PC-ABS alloy materials, chemicals-resistant, good flow
Property and heat resistance, other components be the raw material of well known PC-ABS alloy material formulas, be no longer described in detail here.
It further explaining, the PC resin is aromatic copolycarbonate, and weight average molecular weight is 15000~30000,
Glass transition temperature be 140-150 DEG C, the aromatic copolycarbonate have mechanical property it is good, dimensionally stable, chemical stability and
The characteristics of better heat stability.
The ABS resin is the graft copolymer of acrylonitrile-butadiene-styrene composition, and weight average molecular weight is
100000~180000；Wherein the weight percent content of butadiene is 10-55%, and acrylonitrile weight percent content is 15-
32%, styrene weight percent content is 30-70%.The ABS resin has high intensity, good toughness and spy easily processed into type
Point.
After both above-mentioned PC resin and ABS resin are blended, heat resistance, impact and the stretching that one can improve ABS are strong
Degree improves processing performance, reduces PC notch sensitivities, improve PC stress secondly polycarbonate melt viscosity can be reduced
Cracking situation, reduces production cost.
It further explains, the PA resins are one or both of PA6 and PA66, intrinsic viscosity 1.3-
3.0.The chemico-physical properties and PA66 of PA6 are much like, and the fusing point of PA6 is relatively low, and Process temperature ranges are very wide, impact resistance and
Antilysis is better than PA66, but both has good wearability, self lubricity and solvent resistance, this is Common materials,
No longer burden is described in detail.
It further explains, the compatilizer is acrylonitrile-styrol copolymer grafted maleic anhydride, acrylonitrile-
One kind of styrol copolymer graft glycidyl methacrylate or polymethyl methacrylate grafted maleic anhydride.It is such
Substance carries a kind of block copolymer of active function groups, and above-mentioned substance is added as compatilizer, can improve between PC and ABS
Compatibility.
It further explains, the anti-wear agent is nano graphite powder.Nano-graphite is prepared by special process method, pure
Degree is high, and granularity is small uniformly, high surface activity, can fully apply in resin, surface treated nano-graphite can be very
Good solution dispersion problem, overcomes nano-powder agglomeration, using above-mentioned nano graphite powder as anti-wear agent, improves PC-
The abrasion resistance of ABS alloy material.
It further explains, the antioxidant is double triethylene-glycol, propionic acid n-octadecyl alcohol ester and phosphite ester
One or more of, the lubricant includes one kind or several in silicone powder, pentaerythritol ester and ethylene bis stearic amide
Kind；Above-mentioned substance has anti-oxidant and lubrication effect, these substances are relatively conventional, their performance is acted on and selected here not
Explanation is developed in details.
A method of high light wearable PC-ABS alloy materials are prepared, are included the following steps：
(1) PC resin, ABS resin, anti-wear agent, compatilizer, antioxidant and lubricant are added in mixing and blending machine and are carried out
Mixing；
(2) mixture of step (1) is fed from the main spout of extruder；
(3) high-pressure inert gas will be passed through after PA resin meltings, from squeeze out pusher side feed mouth feeding, be blended be granulated to get to
High light wearable PC-ABS alloy materials.
Compared with prior art, Chinese patent CN 201510014998.5 discloses a kind of wear-resisting PC- of bloom HI high impact
ABS alloy and preparation method thereof, the patent present invention by solution grafting prepare PBT/PEG block copolymers, MMA, St and
The graft copolymer PBT/PEG-g-MSA of AN；The HGB of rare earth surface treatment is prepared by surface coating modification method；Then by PC,
ABS, PBT/PEG-g-MSA, the HGB of surface treatment, silicone powder and other auxiliary agent melt blendings squeeze out to obtain PC-ABS alloys, should
Process preparation section is cumbersome, expensive.However the preparation method of this kind of PC-ABS alloy materials provided by the present invention is simple
It is easy, by high-pressure inert gas is passed through in PA melts, with each raw material in extruder carrying out that granulation is blended, can obtain
To required PC-ABS alloy materials.
It further explains, the extruder is double screw extruder, and the barrel temperature of the extruder is 220-
270 DEG C, screw speed 300-600rpm.Double screw extruder is selected, under identical extrusion capacity, material is in twin-screw extrusion
The residence time is short in machine, therefore double screw extruder is suitble to process heat sensitive material, also there is specific power to consume low, exhaust performance
The advantages that good.The temperature of the double screw extruder is very crucial for the quality of feed particles；If temperature is too high to lead to grain
Son jaundice, temperature is too low to influence throughput rate and product quality.Thus select the barrel temperature of the extruder for 220-
270 DEG C, screw speed 300-600rpm, it is conducive to improve the quality of mixing efficiency and extruded product.
It further explains, the high-pressure inert gas is one or more of carbon dioxide, nitrogen, argon gas.Two
Carbonoxide and nitrogen are very stable at normal temperatures, and without being difficult to happen reaction under conditions of special, argon gas belongs to industrially answers at present
With very wide rare gas, property very torpescence can neither burn also not fire-retardant；Using above-mentioned gas as the present invention
High-pressure inert gas, of low cost, raw material is easy to get, they have extremely low surface tension, in favor of promoting PC's and PA
Compatibility.
It further explains, the high-pressure inert gas temperature is more than 40 DEG C, pressure >=7.4Mpa.Preferably pressure is
7.4-20MPa.Inert gas temperature is too low, is unfavorable for its diffusion in extruder, selects this gas pressure that gas is avoided to send out
Raw liquefaction, causes to be difficult to be diffused in gaseous form.
Preparation method is simple for PC-ABS alloy materials provided by the present invention, since PA resins itself have well
Mobility and wearability, by being passed through high-pressure inert gas in PA melts, side feeds high-pressure inert gas when in extruder
The compatibility of PC and PA are promoted in diffusion process, are assigned the better mobility of PC-ABS systems and wearability, are ensured that it is obtained
Obtain the surface state of more high glaze；Simultaneously because high-pressure inert gas has extremely low surface tension, system viscosity is being reduced
In the case of, dispersion of the anti-wear agent in PC-ABS systems is promoted, the wearability of PC-ABS alloy materials is further improved, from
And the good PC-ABS alloy materials of high gloss, wearability can be prepared by this method, material exempts to spray, environmentally protective,
It is suitble to the production market demand of high molecular material.
Specific implementation mode
The present invention program is described in detail below by some specific embodiments.Those skilled in the art should manage
Solution, it is following to be embodied as preferred embodiment, only the present invention program is explained, and wherein might have to known skill
The appropriate omission of art, those skilled in the art should understand the present invention in conjunction with the explanation of known technology and embodiment.
With reference to specific embodiment, the present invention is described in detail.
PC selects the PC201-22 of South Korea LG-DOW in following embodiment and comparative example；ABS selects Gaoqiao Petrochemical Company
ABS3513；PA resins select toray low viscosity nylon PA CM1007；Anti-wear agent selects the nano graphite powder of Qingdao Hua Tai；
It is 2% that compatilizer, which selects the SAG-002 of Shanghai day risen, GMA contents,；Antioxidant is the antioxidant 1076 and antioxygen of Ciba companies
Agent 168, weight ratio 1：1；Lubricant is commercially available pentaerythrite stearic acid (i.e. lubricant PETS).
Embodiment 1：
A method of high light wearable PC-ABS alloy materials are prepared, are included the following steps：
(1) each component is weighed：65 parts of PC resin, 30 parts of ABS resin, 5 parts of anti-wear agent, 3 parts of compatilizer, antioxidant 1076
0.1 part of 0.1 part, 0.1 part of irgasfos 168 and lubricant PETS.
(2) above-mentioned raw material are fed from main spout, is passed through nitrogen, fed from extruder side spout, gas temperature
It it is 40 DEG C, gas pressure 8MPa, to get to PC-ABS alloy material products, screw rod squeezes for melting extrusion at 200~280 DEG C
It is 500rpm to go out machine rotating speed, and extruder pressure is 2MPa.
Embodiment 2：
A method of high light wearable PC-ABS alloy materials are prepared, are included the following steps：
(1) each component is weighed：50 parts of PC resin, 35 parts of ABS resin, 5 parts of anti-wear agent, 3 parts of compatilizer, antioxidant 1076
0.1 part of 0.1 part, 0.1 part of irgasfos 168 and lubricant PETS.
(2) above-mentioned raw material are fed from main spout, nitrogen will be passed through after 5 parts of PA resin meltings, fed from pusher side is squeezed out
Material mouth feed, gas temperature be 70 DEG C, gas pressure 10MPa, at 200~280 DEG C melting extrusion closed to get to PC-ABS
Golden material product, screw extruder rotating speed are 500rpm, and extruder pressure is 2MPa.
Embodiment 3：
A method of high light wearable PC-ABS alloy materials are prepared, are included the following steps：
(1) each component is weighed：50 parts of PC resin, 35 parts of ABS resin, 5 parts of anti-wear agent, 3 parts of compatilizer, antioxidant 1076
0.1 part of 0.1 part, 0.1 part of irgasfos 168 and lubricant PETS.
(2) above-mentioned raw material are fed from main spout, nitrogen will be passed through after 10 parts of PA resin meltings, fed from pusher side is squeezed out
Material mouth is fed, and gas temperature is 100 DEG C, gas pressure 15MPa, and melting extrusion is to get to PC-ABS at 200~280 DEG C
Alloy material product, screw extruder rotating speed are 500rpm, and extruder pressure is 2MPa.
Embodiment 4：
A method of high light wearable PC-ABS alloy materials are prepared, are included the following steps：
(1) each component is weighed：70 parts of PC resin, 10 parts of ABS resin, 3 parts of anti-wear agent, 4 parts of compatilizer, antioxidant 1076
0.1 part of 0.1 part, 0.1 part of irgasfos 168 and lubricant PETS.
(2) above-mentioned raw material are fed from main spout, nitrogen will be passed through after 5 parts of PA resin meltings, fed from pusher side is squeezed out
Material mouth feed, gas temperature be 40 DEG C, gas pressure 8MPa, at 200~280 DEG C melting extrusion closed to get to PC-ABS
Golden material product, screw extruder rotating speed are 500rpm, and extruder pressure is 2MPa.
Comparative example 1：
A method of high light wearable PC-ABS alloy materials are prepared, are included the following steps：
(1) each component is weighed：60 parts of PC resin, 40 parts of ABS resin, 1 part of compatilizer, 0.1 part of antioxidant 1076, antioxygen
0.1 part of 168 0.1 parts of agent and lubricant PETS.
(2) above-mentioned raw material are fed from spout, melting extrusion is to get to PC-ABS alloy materials at 200~280 DEG C
Expect that product, screw extruder rotating speed are 500rpm, extruder pressure is 2MPa.
Note：The product is not to be passed through high-pressure inert gas without addition anti-wear agent and PA resins.
Comparative example 2：
A method of high light wearable PC-ABS alloy materials are prepared, are included the following steps：
(1) each component is weighed：65 parts of PC resin, 30 parts of ABS resin, 5 parts of PA resins, 3 parts of compatilizer, antioxidant 1076
0.1 part of 0.1 part, 0.1 part of irgasfos 168 and lubricant PETS.
(2) above-mentioned raw material are fed from spout, melting extrusion is to get to PC-ABS alloy materials at 200~280 DEG C
Expect that product, screw extruder rotating speed are 500rpm, extruder pressure is 2MPa.
Note：The product is not to be passed through high-pressure inert gas without addition anti-wear agent.
Quantitative measurement is carried out for PC-ABS alloy materials prepared by each embodiment and comparative example, it will be above-mentioned each right
High light wearable PC-ABS alloy materials prepared by ratio and embodiment are molded into the model that size is 140 × 90 × 3mm, respectively
Test its wear-resisting property and luster performance, it is seen that table 1:
(1) the wear-resisting property form of expression is mainly embodied by scratch resistance-surface grade and scratch resistance-scratch percentage, they
Can data be obtained by FLTM BO162-01 experiments,
Note：Scratch resistance-surface grade is that vision draw sample surfaces check grade, wherein 1 grade is surface and does not obviously scrape
Trace, 5 grades are the serious scratches in surface, and so on, the scratch percentage that Instrument Evaluation external force generates；
(2) the luster performance form of expression is mainly embodied by 60 ° of gloss values and flowing length, and 60 ° of gloss values can be by surface light
ASTM D2457 are pressed in pool test, are tested in specimen surface using Gardner's gloss meter, and 60 ° of gloss values, gloss unit are recorded
For GU, Plays black glass bottle gloss level is 100GU；The long test of flowing, by be molded into spiral of Archimedes into
Row comparison, unit mm.
Table 1：The performance comparison sheet of each embodiment and comparative example
From 1 fruit of table:
(1) by embodiment 1-4 to find out, in one timing of amount of other components, the additive amount of PA resins and anti-wear agent is got over
Greatly, the surface grade of PC-ABS alloy materials is higher, scratch percentage is smaller, and 60 ° of gloss values are bigger, long also bigger, the table of flowing
Its bright wearability is stronger, and glossiness is higher；Embodiment 3 has excellent high light wearable performance, is most preferred embodiment；
(2) it is compared by comparative example 1 and 2 as can be seen that not adding PA resins and anti-wear agent is not passed through high pressure
Inert gas, or do not add anti-wear agent and be not passed through high-pressure inert gas, prepared by PC-ABS alloy materials table
The numerical value of face grade and scratch percentage is higher, 60 ° of gloss values and flowing it is long numerical value it is smaller, show its wearability compared with
Difference, glossiness are relatively low；
(2) addition PA resins and anti-wear agent can be seen that with embodiment 1-2 comparisons by comparative example 1-2 and is passed through
High-pressure inert gas, each performance of prepared PC-ABS alloy materials out is than being not added with or adding PA resins, anti-wear agent
Want superior with one of high-pressure inert gas products obtained therefrom, wearability is strong, and glossiness is high.
In conclusion in basis forms, by adding anti-wear agent, while adding PA resins and being passed through high pressure in its melt
Inert gas promotes the compatibility of PC and PA, improves the better mobility of PC-ABS systems and wearability, ensures its acquisition
The surface state of more high glaze.And dispersion of the anti-wear agent in PC-ABS systems is promoted, further improve PC-ABS conjunctions
The wearability of golden material.Preparation method through the invention is prepared into the good PC-ABS alloy materials of high gloss, wearability, green
Colour circle is protected, and market prospects are considerable.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be the present invention's
Within protection domain.
Claims (4)
1. a kind of preparation method of high light wearable PC-ABS alloy materials, which is characterized in that include the following steps：
(1) PC resin, ABS resin, anti-wear agent, compatilizer, antioxidant and lubricant are added in mixing and blending machine and are mixed；
(2) mixture of step (1) is fed from the main spout of extruder；
(3) it will be passed through high-pressure inert gas after PA resin meltings, feeds mouth feeding from pusher side is squeezed out, is blended and is granulated to get to bloom
Wear-resisting PC-ABS alloy materials；
The high-pressure inert gas temperature is more than 40 DEG C, pressure >=7.4Mpa；
In parts by weight, including：40~90 parts of PC resin；10~60 parts of ABS resin；1~10 part of PA resins；Anti-wear agent 1
~5 parts；1~5 part of compatilizer；0.1~1 part of 0.1~1 part of antioxidant and lubricant；
The PC resin be aromatic copolycarbonate, weight average molecular weight be 15000~30000, glass transition temperature be 140~
150℃；
The ABS resin be acrylonitrile-butadiene-styrene composition graft copolymer, weight average molecular weight be 100000~
180000, the wherein weight percent content of butadiene is 10~55%, and acrylonitrile weight percent content is 15~32%, benzene
Weight ethylene degree is 30~70%；
The PA resins are one or both of PA6 and PA66, intrinsic viscosity 1.3-3.0；
The anti-wear agent is nano graphite powder；
The compatilizer is acrylonitrile-styrol copolymer grafted maleic anhydride, acrylonitrile-styrol copolymer grafting first
One kind of base glycidyl acrylate or polymethyl methacrylate grafted maleic anhydride.
2. the preparation method of high light wearable PC-ABS alloy materials according to claim 1, which is characterized in that described is anti-
Oxygen agent is triethylene-glycol double one or more of propionic acid n-octadecyl alcohol esters and phosphite ester, and the lubricant includes
One or more of silicone powder, pentaerythritol ester and ethylene bis stearic amide.
3. the preparation method of high light wearable PC-ABS alloy materials according to claim 1, which is characterized in that described squeezes
It is double screw extruder to go out machine, and the barrel temperature of the extruder is 220-270 DEG C, screw speed 300-600rpm.
4. the preparation method of high light wearable PC-ABS alloy materials according to claim 1, which is characterized in that the height
Pressure inert gas is one or more of carbon dioxide, nitrogen, argon gas.
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| CN107892803A (en) * | 2017-11-22 | 2018-04-10 | 江苏奥斯康新能源有限公司 | PC, PMMA blending and modifying formula |
| CN109385063B (en) * | 2018-09-30 | 2020-12-11 | 金旸（厦门）新材料科技有限公司 | Wear-resistant PC/ASA alloy material and preparation method thereof |
| CN109467906B (en) * | 2018-11-27 | 2021-04-27 | 厦门众臣元科技有限公司 | Caster wheel composite material and preparation method thereof |
| CN111690245B (en) * | 2020-07-17 | 2022-04-01 | 合肥科拜尔新材料股份有限公司 | Wear-resistant and damp-heat resistant PC/ABS material and preparation method thereof |
| CN112920541A (en) * | 2021-02-01 | 2021-06-08 | 杭州友邻电子有限公司 | High-wear-resistance plastic part and preparation method thereof |
| CN114213830A (en) * | 2021-12-21 | 2022-03-22 | 苏州润佳高分子材料有限公司 | Wear-resistant PC/ABS material and preparation method thereof |
| CN116515272B (en) * | 2023-04-10 | 2024-06-18 | 深圳市富恒新材料股份有限公司 | PC/ABS material with marble stripe appearance and preparation method thereof |
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